EESchema Schematic File Version 5
LIBS:neo900-cache
EELAYER 29 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 9 25
Title "Sensors"
Date "Intentionally Left Blank"
Rev ""
Comp ""
Comment1 "UPPER"
Comment2 ""
Comment3 ""
Comment4 "Xsheetnumber=10"
$EndDescr
Text Notes 8250 3300 0    70   ~ 0
Addr: 0x76
Text Notes 7100 3550 0    70   ~ 0
keep away from liquids and extreme temperatures
Text Notes 3800 3900 0    70   ~ 0
Addr: 0x1d
Text Notes 3700 8400 0    70   ~ 0
Addr: 0x18/68/10
Text Notes 3350 8850 0    70   ~ 0
Keep away from magnets, metal,\nhigh current traces.
$Comp
L neo900:C0402 C902
U 1 1 578C07F6
P 2400 2500
F 0 "C902" H 2440 2540 50  0000 L CNN
F 1 "10u" H 2440 2370 50  0000 L CNN
F 2 "NeoFeet:C_0805" H 2430 2650 20  0001 C CNN
F 3 "" H 2400 2500 60  0001 C CNN
	1    2400 2500
	1    0    0    -1  
$EndComp
$Comp
L neo900:C0402 C904
U 1 1 578C08BE
P 2800 2500
F 0 "C904" H 2840 2540 50  0000 L CNN
F 1 "100n" H 2840 2370 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 2830 2650 20  0001 C CNN
F 3 "" H 2800 2500 60  0001 C CNN
	1    2800 2500
	1    0    0    -1  
$EndComp
$Comp
L neo900:C0402 C901
U 1 1 578C0D6E
P 2150 7000
F 0 "C901" H 2190 7040 50  0000 L CNN
F 1 "100n" H 2190 6870 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 2180 7150 20  0001 C CNN
F 3 "" H 2150 7000 60  0001 C CNN
	1    2150 7000
	1    0    0    -1  
$EndComp
$Comp
L neo900:C0402 C903
U 1 1 578C0FC6
P 2750 7200
F 0 "C903" H 2790 7240 50  0000 L CNN
F 1 "100n" H 2790 7070 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 2780 7350 20  0001 C CNN
F 3 "" H 2750 7200 60  0001 C CNN
	1    2750 7200
	1    0    0    -1  
$EndComp
$Comp
L neo900:C0402 C905
U 1 1 578C108E
P 7400 2500
F 0 "C905" H 7440 2540 50  0000 L CNN
F 1 "100n" H 7440 2370 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 7430 2650 20  0001 C CNN
F 3 "" H 7400 2500 60  0001 C CNN
	1    7400 2500
	1    0    0    -1  
$EndComp
$Comp
L neo900:LIS302DLTR S901
U 1 1 578C13AE
P 4000 2900
F 0 "S901" H 3600 3650 50  0000 L CNN
F 1 "LIS302DLTR" H 4000 2150 50  0000 C CNN
F 2 "neo900-legacy:LGA-DIL-12+2" H 4030 3050 20  0001 C CNN
F 3 "" H 4000 2900 60  0001 C CNN
	1    4000 2900
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #U$0167
U 1 1 578C19EE
P 7400 3200
F 0 "#U$0167" H 7310 3100 70  0001 L BNN
F 1 "GND-3" H 7310 3100 70  0001 L BNN
F 2 "" H 7400 3200 60  0001 C CNN
F 3 "" H 7400 3200 60  0001 C CNN
	1    7400 3200
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #U$0168
U 1 1 578C1BE2
P 3300 3800
F 0 "#U$0168" H 3210 3700 70  0001 L BNN
F 1 "GND-3" H 3210 3700 70  0001 L BNN
F 2 "" H 3300 3800 60  0001 C CNN
F 3 "" H 3300 3800 60  0001 C CNN
	1    3300 3800
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #U$0169
U 1 1 578C1C46
P 2400 2900
F 0 "#U$0169" H 2310 2800 70  0001 L BNN
F 1 "GND-3" H 2310 2800 70  0001 L BNN
F 2 "" H 2400 2900 60  0001 C CNN
F 3 "" H 2400 2900 60  0001 C CNN
	1    2400 2900
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #U$0170
U 1 1 578C1CAA
P 2800 2900
F 0 "#U$0170" H 2710 2800 70  0001 L BNN
F 1 "GND-3" H 2710 2800 70  0001 L BNN
F 2 "" H 2800 2900 60  0001 C CNN
F 3 "" H 2800 2900 60  0001 C CNN
	1    2800 2900
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #U$0171
U 1 1 578C1E9E
P 2150 7700
F 0 "#U$0171" H 2060 7600 70  0001 L BNN
F 1 "GND-3" H 2060 7600 70  0001 L BNN
F 2 "" H 2150 7700 60  0001 C CNN
F 3 "" H 2150 7700 60  0001 C CNN
	1    2150 7700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7900 2600 7800 2600
Wire Wire Line
	7800 2600 7800 2300
Wire Wire Line
	6950 2300 7400 2300
Wire Wire Line
	7400 2400 7400 2300
Connection ~ 7800 2300
Connection ~ 7400 2300
Wire Wire Line
	4600 2300 4700 2300
Wire Wire Line
	4600 2500 4700 2500
Wire Wire Line
	4700 2300 4700 2500
Wire Wire Line
	4700 3100 4600 3100
Connection ~ 4700 2300
Connection ~ 4700 2500
Wire Wire Line
	2200 2300 2400 2300
Connection ~ 2400 2300
Wire Wire Line
	7400 2700 7400 2900
Connection ~ 7400 3000
Wire Wire Line
	2800 2700 2800 2800
Wire Wire Line
	2400 2700 2400 2800
Wire Wire Line
	4600 2700 5100 2700
Wire Wire Line
	4600 2900 5100 2900
Wire Wire Line
	4600 3500 5100 3500
Wire Wire Line
	4600 3300 5100 3300
Text GLabel 2200 2300 0    60   Input ~ 0
2V7_U
Text GLabel 5100 2300 2    60   Input ~ 0
1V8_U
Text GLabel 5100 2700 2    60   Output ~ 0
SENS_INT1
Text GLabel 5100 2900 2    60   Output ~ 0
SENS_INT2
Text GLabel 5100 3300 2    60   BiDi ~ 0
I2C3_SDA_U
Text GLabel 5100 3500 2    60   BiDi ~ 0
I2C3_SCL_U
Text GLabel 6450 7500 2    60   Output ~ 0
SENS_INT1
Text GLabel 6450 6900 2    60   Input ~ 0
I2C3_SCL_U
Text GLabel 6450 6800 2    60   BiDi ~ 0
I2C3_SDA_U
Text GLabel 6950 2300 0    60   Input ~ 0
1V8_U
Text GLabel 9750 2700 2    60   BiDi ~ 0
I2C3_SDA_U
Text GLabel 9750 2800 2    60   Input ~ 0
I2C3_SCL_U
$Comp
L bme280:BME280 S903
U 1 1 57D6FEE4
P 8500 2800
F 0 "S903" H 8100 3150 45  0000 L CNN
F 1 "BME280" H 8500 2875 45  0000 C CNN
F 2 "lga:LGA-8-2.5x2.5-BME280" H 8530 2950 20  0001 C CNN
F 3 "" H 8500 2800 60  0001 C CNN
	1    8500 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 2600 9200 2600
Wire Wire Line
	9200 2300 9200 2600
Wire Wire Line
	9100 2700 9750 2700
Wire Wire Line
	9100 2800 9750 2800
Wire Wire Line
	9200 2900 9100 2900
Connection ~ 9200 2600
$Comp
L neo900:GND-3 #U$0172
U 1 1 57D709C4
P 9200 3150
F 0 "#U$0172" H 9110 3050 70  0001 L BNN
F 1 "GND-3" H 9110 3050 70  0001 L BNN
F 2 "" H 9200 3150 60  0001 C CNN
F 3 "" H 9200 3150 60  0001 C CNN
	1    9200 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 3000 9200 3000
Wire Wire Line
	9200 3000 9200 3050
Wire Wire Line
	7400 3000 7900 3000
Wire Wire Line
	7900 2900 7400 2900
Connection ~ 7400 2900
$Comp
L bmx055:BMX055 S902
U 1 1 57D790BF
P 4200 7400
F 0 "S902" H 3700 8250 50  0000 L CNN
F 1 "BMX055" H 4200 7050 50  0000 C CNN
F 2 "lga:LGA-20-3x4.5-BMX055" H 4230 7550 20  0001 C CNN
F 3 "" H 4200 7400 60  0001 C CNN
	1    4200 7400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 6800 6450 6800
Wire Wire Line
	4900 6900 6450 6900
Text GLabel 6450 7600 2    60   Output ~ 0
SENS_INT2
$Comp
L neo900:R0402 R901
U 1 1 57D79950
P 5200 6450
F 0 "R901" V 5150 6350 50  0000 R CNN
F 1 "10k" H 5200 6450 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 5230 6600 20  0001 C CNN
F 3 "" H 5200 6450 60  0001 C CNN
	1    5200 6450
	0    1    1    0   
$EndComp
$Comp
L neo900:R0402 R902
U 1 1 57D799F0
P 5400 6450
F 0 "R902" V 5350 6550 50  0000 L CNN
F 1 "10k" H 5400 6450 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 5430 6600 20  0001 C CNN
F 3 "" H 5400 6450 60  0001 C CNN
	1    5400 6450
	0    1    1    0   
$EndComp
Wire Wire Line
	4900 7500 5000 7500
Wire Wire Line
	4900 7600 5100 7600
Wire Wire Line
	4900 7700 5000 7700
Wire Wire Line
	5000 7700 5000 7500
Connection ~ 5000 7500
Wire Wire Line
	4900 7800 5100 7800
$Comp
L neo900:R0402 R903
U 1 1 57D79CC3
P 5900 7900
F 0 "R903" H 5750 7950 50  0000 R CNN
F 1 "10k" H 5900 7900 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 5930 8050 20  0001 C CNN
F 3 "" H 5900 7900 60  0001 C CNN
	1    5900 7900
	1    0    0    -1  
$EndComp
$Comp
L neo900:R0402 R904
U 1 1 57D79D66
P 5900 8000
F 0 "R904" H 5750 8050 50  0000 R CNN
F 1 "10k" H 5900 8000 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 5930 8150 20  0001 C CNN
F 3 "" H 5900 8000 60  0001 C CNN
	1    5900 8000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 7900 5400 7900
Wire Wire Line
	4900 8000 5200 8000
Wire Wire Line
	5200 6650 5200 8000
Connection ~ 5200 8000
Wire Wire Line
	5400 6650 5400 7900
Connection ~ 5400 7900
Wire Wire Line
	6100 7900 6200 7900
Wire Wire Line
	6200 7900 6200 7500
Connection ~ 6200 7500
Wire Wire Line
	6100 8000 6300 8000
Wire Wire Line
	6300 8000 6300 7600
Connection ~ 6300 7600
Wire Wire Line
	5100 7800 5100 7600
Connection ~ 5100 7600
Text GLabel 1950 6800 0    60   Input ~ 0
1V8_U
Wire Wire Line
	1950 6800 2150 6800
Wire Wire Line
	2150 7200 2150 7250
Wire Wire Line
	2150 6900 2150 6800
Connection ~ 2150 6800
Wire Wire Line
	2150 7250 2550 7250
Wire Wire Line
	2550 7250 2550 6900
Wire Wire Line
	2550 6900 3500 6900
Connection ~ 2150 7250
$Comp
L neo900:GND-3 #U$0173
U 1 1 57D7B552
P 2750 7700
F 0 "#U$0173" H 2660 7600 70  0001 L BNN
F 1 "GND-3" H 2660 7600 70  0001 L BNN
F 2 "" H 2750 7700 60  0001 C CNN
F 3 "" H 2750 7700 60  0001 C CNN
	1    2750 7700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 6800 2750 7000
Connection ~ 2750 6800
Wire Wire Line
	3500 7000 2750 7000
Connection ~ 2750 7000
Wire Wire Line
	2750 7400 2750 7500
Wire Wire Line
	3500 7100 3150 7100
Wire Wire Line
	3150 7100 3150 7500
Wire Wire Line
	3150 7500 2750 7500
Connection ~ 2750 7500
Wire Wire Line
	3500 7600 3400 7600
Wire Wire Line
	3400 7600 3400 6800
Connection ~ 3400 6800
Text GLabel 5050 6100 0    60   Input ~ 0
1V8_U
Wire Wire Line
	5050 6100 5200 6100
Wire Wire Line
	5400 6100 5400 6250
Wire Wire Line
	5200 6250 5200 6100
Connection ~ 5200 6100
$Comp
L neo900:GND-3 #U$0174
U 1 1 57D7C475
P 3400 8200
F 0 "#U$0174" H 3310 8100 70  0001 L BNN
F 1 "GND-3" H 3310 8100 70  0001 L BNN
F 2 "" H 3400 8200 60  0001 C CNN
F 3 "" H 3400 8200 60  0001 C CNN
	1    3400 8200
	1    0    0    -1  
$EndComp
NoConn ~ 3500 7900
NoConn ~ 3500 7800
$Comp
L neo900:GND-3 #U$0175
U 1 1 57D7C52C
P 5000 7350
F 0 "#U$0175" H 4910 7250 70  0001 L BNN
F 1 "GND-3" H 4910 7250 70  0001 L BNN
F 2 "" H 5000 7350 60  0001 C CNN
F 3 "" H 5000 7350 60  0001 C CNN
	1    5000 7350
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 7100 5000 7200
Wire Wire Line
	5000 7100 4900 7100
Wire Wire Line
	4900 7200 5000 7200
Connection ~ 5000 7200
Wire Wire Line
	3400 8100 3400 8000
Wire Wire Line
	3400 8000 3500 8000
Wire Wire Line
	2800 2300 2800 2400
Wire Wire Line
	2400 2300 2400 2400
Wire Wire Line
	3300 2700 3300 2900
Wire Wire Line
	3300 2700 3400 2700
Wire Wire Line
	3400 2900 3300 2900
Connection ~ 3300 2900
Wire Wire Line
	3400 3100 3300 3100
Connection ~ 3300 3100
Wire Wire Line
	3400 3300 3300 3300
Connection ~ 3300 3300
Wire Wire Line
	3400 3500 3300 3500
Connection ~ 3300 3500
Connection ~ 2800 2300
Wire Wire Line
	3400 2500 3300 2500
Wire Wire Line
	3300 2500 3300 2300
Connection ~ 3300 2300
Text Notes 7400 1800 0    120  ~ 0
Pressure, humidity
Text Notes 3100 1800 0    120  ~ 0
Acceleration (legacy)
Text Notes 2150 5800 0    120  ~ 0
9-axis (acceleration, gyroscope, magnetometer)
Text Notes 11300 5200 0    120  ~ 0
Stylus detect
$Comp
L neo900:C0402 C?
U 1 1 58290E3B
P 10650 5850
AR Path="/578AFF0C/58290E3B" Ref="C?"  Part="1" 
AR Path="/578AFF02/58290E3B" Ref="C907"  Part="1" 
F 0 "C907" H 10690 5890 50  0000 L CNN
F 1 "100n" H 10690 5720 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 10680 6000 20  0001 C CNN
F 3 "" H 10650 5850 60  0001 C CNN
	1    10650 5850
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #U$?
U 1 1 58290E49
P 10650 6250
AR Path="/578AFF0C/58290E49" Ref="#U$?"  Part="1" 
AR Path="/578AFF02/58290E49" Ref="#U$0176"  Part="1" 
F 0 "#U$0176" H 10530 6151 70  0001 L BNN
F 1 "GND-3" H 10530 6151 70  0001 L BNN
F 2 "" H 10650 6250 60  0001 C CNN
F 3 "" H 10650 6250 60  0001 C CNN
	1    10650 6250
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #U$?
U 1 1 58290E55
P 11000 5900
AR Path="/578AFF0C/58290E55" Ref="#U$?"  Part="1" 
AR Path="/578AFF02/58290E55" Ref="#U$0178"  Part="1" 
F 0 "#U$0178" H 10880 5801 70  0001 L BNN
F 1 "GND-3" H 10880 5801 70  0001 L BNN
F 2 "" H 11000 5900 60  0001 C CNN
F 3 "" H 11000 5900 60  0001 C CNN
	1    11000 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	10650 6050 10650 6150
Wire Wire Line
	11000 5800 11000 5700
Wire Wire Line
	11000 5700 11100 5700
Wire Wire Line
	12350 5800 12100 5800
Wire Wire Line
	12350 5900 12100 5900
Wire Wire Line
	12350 6000 12100 6000
Wire Wire Line
	10650 5750 10650 5600
Text GLabel 10000 5600 0    60   Input ~ 0
1V8_U
Text GLabel 12350 5800 2    60   BiDi ~ 0
I2C3_SDA_U
Text GLabel 12350 5900 2    60   Input ~ 0
I2C3_SCL_U
Text GLabel 12350 6000 2    60   Output ~ 0
STYLUS_INT
Text Notes 11500 8200 0    70   ~ 0
(1.5V - 3.6V)
Text Notes 10800 7650 0    120  ~ 0
Slide sensor
$Comp
L neo900:GND-3 #U$?
U 1 1 58290E7A
P 11400 9400
AR Path="/578AFF18/58290E7A" Ref="#U$?"  Part="1" 
AR Path="/578AFF0C/58290E7A" Ref="#U$?"  Part="1" 
AR Path="/578AFF02/58290E7A" Ref="#U$0179"  Part="1" 
F 0 "#U$0179" H 11280 9301 70  0001 L BNN
F 1 "GND-3" H 11280 9301 70  0001 L BNN
F 2 "" H 11400 9400 60  0001 C CNN
F 3 "" H 11400 9400 60  0001 C CNN
	1    11400 9400
	1    0    0    -1  
$EndComp
$Comp
L neo900:MLX90248ESE U?
U 1 1 58290E80
P 11400 8600
AR Path="/578AFF0C/58290E80" Ref="U?"  Part="1" 
AR Path="/578AFF02/58290E80" Ref="U901"  Part="1" 
F 0 "U901" H 11100 8940 50  0000 L BNN
F 1 "MLX90248ESE" H 11450 8200 50  0000 L BNN
F 2 "NeoFeet:SOT-23" H 11390 8390 65  0001 L TNN
F 3 "https://www.melexis.com/-/media/files/documents/datasheets/mlx90248-datasheet-melexis.pdf" H 11400 8600 60  0001 C CNN
	1    11400 8600
	1    0    0    -1  
$EndComp
Wire Wire Line
	11400 9300 11400 9100
Wire Wire Line
	11900 8600 12400 8600
Wire Wire Line
	11400 7900 11400 8100
Wire Wire Line
	10300 7900 10700 7900
$Comp
L neo900:C0402 C?
U 1 1 58290E8B
P 10700 8100
AR Path="/578AFF0C/58290E8B" Ref="C?"  Part="1" 
AR Path="/578AFF02/58290E8B" Ref="C908"  Part="1" 
F 0 "C908" H 10740 8140 50  0000 L CNN
F 1 "10n" H 10740 7970 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 10730 8250 20  0001 C CNN
F 3 "" H 10700 8100 60  0001 C CNN
	1    10700 8100
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #U$?
U 1 1 58290E92
P 10700 8500
AR Path="/578AFF0C/58290E92" Ref="#U$?"  Part="1" 
AR Path="/578AFF02/58290E92" Ref="#U$0180"  Part="1" 
F 0 "#U$0180" H 10580 8401 70  0001 L BNN
F 1 "GND-3" H 10580 8401 70  0001 L BNN
F 2 "" H 10700 8500 60  0001 C CNN
F 3 "" H 10700 8500 60  0001 C CNN
	1    10700 8500
	1    0    0    -1  
$EndComp
Connection ~ 10700 7900
Wire Wire Line
	10700 8000 10700 7900
Wire Wire Line
	10700 8300 10700 8400
Text GLabel 10300 7900 0    60   Input ~ 0
2V7_U
Text GLabel 12700 8600 2    60   Output ~ 0
SLIDE_SW
$Comp
L neo900:GND-3 #U$?
U 1 1 58290EA4
P 12500 9200
AR Path="/578AFF18/58290EA4" Ref="#U$?"  Part="1" 
AR Path="/578AFF0C/58290EA4" Ref="#U$?"  Part="1" 
AR Path="/578AFF02/58290EA4" Ref="#U$0181"  Part="1" 
F 0 "#U$0181" H 12380 9101 70  0001 L BNN
F 1 "GND-3" H 12380 9101 70  0001 L BNN
F 2 "" H 12500 9200 60  0001 C CNN
F 3 "" H 12500 9200 60  0001 C CNN
	1    12500 9200
	1    0    0    -1  
$EndComp
Wire Wire Line
	12500 8700 12500 8600
Connection ~ 12500 8600
Wire Wire Line
	12500 9000 12500 9100
$Comp
L neo900:R0402 R?
U 1 1 58290EAD
P 12400 8300
AR Path="/578AFF0C/58290EAD" Ref="R?"  Part="1" 
AR Path="/578AFF02/58290EAD" Ref="R906"  Part="1" 
F 0 "R906" V 12350 8400 50  0000 L CNN
F 1 "100k" H 12400 8300 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 12430 8450 20  0001 C CNN
F 3 "" H 12400 8300 60  0001 C CNN
	1    12400 8300
	0    1    1    0   
$EndComp
Text GLabel 12500 7900 2    60   Input ~ 0
1V8_U
Wire Wire Line
	12400 8100 12400 7900
Wire Wire Line
	12400 7900 12500 7900
Wire Wire Line
	12400 8500 12400 8600
Connection ~ 12400 8600
Text Notes 12150 5650 0    60   ~ 0
I2C: 0x53 (but can be altered to 0x52)
Text Notes 5500 1280 0    514  ~ 103
!!! UPPER !!!
Wire Wire Line
	7800 2300 9200 2300
Wire Wire Line
	7400 2300 7800 2300
Wire Wire Line
	4700 2300 5100 2300
Wire Wire Line
	4700 2500 4700 3100
Wire Wire Line
	2400 2300 2800 2300
Wire Wire Line
	7400 3000 7400 3100
Wire Wire Line
	9200 2600 9200 2900
Wire Wire Line
	7400 2900 7400 3000
Wire Wire Line
	5000 7500 6200 7500
Wire Wire Line
	5200 8000 5700 8000
Wire Wire Line
	5400 7900 5700 7900
Wire Wire Line
	6200 7500 6450 7500
Wire Wire Line
	6300 7600 6450 7600
Wire Wire Line
	5100 7600 6300 7600
Wire Wire Line
	2150 6800 2750 6800
Wire Wire Line
	2150 7250 2150 7600
Wire Wire Line
	2750 6800 3400 6800
Wire Wire Line
	2750 7000 2750 7100
Wire Wire Line
	2750 7500 2750 7600
Wire Wire Line
	3400 6800 3500 6800
Wire Wire Line
	5200 6100 5400 6100
Wire Wire Line
	5000 7200 5000 7250
Wire Wire Line
	3300 2900 3300 3100
Wire Wire Line
	3300 3100 3300 3300
Wire Wire Line
	3300 3300 3300 3500
Wire Wire Line
	3300 3500 3300 3700
Wire Wire Line
	2800 2300 3300 2300
Wire Wire Line
	3300 2300 3400 2300
Wire Wire Line
	10700 7900 11400 7900
Wire Wire Line
	12500 8600 12700 8600
Wire Wire Line
	12400 8600 12500 8600
Wire Wire Line
	10650 5600 11100 5600
Connection ~ 10650 5600
$Comp
L neo900:SI1151-AB00-GMR U?
U 1 1 58290E5B
P 11600 6000
AR Path="/578AFF0C/58290E5B" Ref="U?"  Part="1" 
AR Path="/578AFF02/58290E5B" Ref="U902"  Part="1" 
F 0 "U902" H 11300 6550 50  0000 L CNN
F 1 "SI1151-AB00-GMR" H 11600 5550 50  0000 C CNN
F 2 "NeoFeet:DFN20X20X06-10" H 11600 5450 20  0001 C CNN
F 3 "https://www.silabs.com/documents/public/data-sheets/si115x-datasheet.pdf" H 10850 6150 60  0001 C CNN
	1    11600 6000
	1    0    0    -1  
$EndComp
NoConn ~ 11100 6200
NoConn ~ 11100 6300
$Comp
L neo900:R0402 R?
U 1 1 5D55E8CC
P 10250 5950
AR Path="/578AFF0C/5D55E8CC" Ref="R?"  Part="1" 
AR Path="/578AFF02/5D55E8CC" Ref="R907"  Part="1" 
F 0 "R907" H 10120 6010 50  0000 L BNN
F 1 "47k" H 10250 5950 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 10280 6100 20  0001 C CNN
F 3 "" H 10250 5950 60  0001 C CNN
	1    10250 5950
	0    1    1    0   
$EndComp
Wire Wire Line
	10000 5600 10250 5600
$Comp
L neo900:C0402 C?
U 1 1 58290E9D
P 12500 8800
AR Path="/578AFF0C/58290E9D" Ref="C?"  Part="1" 
AR Path="/578AFF02/58290E9D" Ref="C909"  Part="1" 
F 0 "C909" H 12540 8840 50  0000 L CNN
F 1 "100p" H 12540 8670 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 12530 8950 20  0001 C CNN
F 3 "" H 12500 8800 60  0001 C CNN
	1    12500 8800
	1    0    0    -1  
$EndComp
Wire Wire Line
	10250 5600 10250 5750
Connection ~ 10250 5600
Wire Wire Line
	10250 5600 10650 5600
Wire Wire Line
	10100 6500 10250 6500
Wire Wire Line
	10950 6500 10950 6100
Wire Wire Line
	10950 6100 11100 6100
Wire Wire Line
	10250 6150 10250 6500
Connection ~ 10250 6500
Wire Wire Line
	10250 6500 10950 6500
Text Notes 13025 6050 0    60   ~ 0
TODO: check if pulled up
Text Notes 9850 6750 0    60   ~ 0
blue diode for max efficiency
Text Notes 11450 6625 0    60   ~ 0
Optical proximity sensor
Wire Wire Line
	9250 7050 9250 7250
Wire Wire Line
	9250 5750 9250 5850
$Comp
L neo900:GND-3 #U$?
U 1 1 5D56C7BD
P 9250 7350
AR Path="/578AFF0C/5D56C7BD" Ref="#U$?"  Part="1" 
AR Path="/578AFF02/5D56C7BD" Ref="#U$0177"  Part="1" 
F 0 "#U$0177" H 9130 7251 70  0001 L BNN
F 1 "GND-3" H 9130 7251 70  0001 L BNN
F 2 "" H 9250 7350 60  0001 C CNN
F 3 "" H 9250 7350 60  0001 C CNN
	1    9250 7350
	1    0    0    -1  
$EndComp
Text GLabel 9000 5750 0    60   Input ~ 0
VBAT_SWITCHED_U
Wire Wire Line
	9000 5750 9250 5750
$Comp
L neo900:LED-0603 D?
U 1 1 5D55A60E
P 9800 6500
AR Path="/578AFF10/5D55A60E" Ref="D?"  Part="1" 
AR Path="/578AFF32/5D55A60E" Ref="D?"  Part="1" 
AR Path="/578AFF0C/5D55A60E" Ref="D?"  Part="1" 
AR Path="/578AFF02/5D55A60E" Ref="D901"  Part="1" 
F 0 "D901" H 9750 6800 50  0000 L CNN
F 1 "LTST-S270KBKT" H 9350 6700 50  0000 L CNN
F 2 "neo900-legacy:SMD-0603D" H 9790 6290 65  0001 L TNN
F 3 "" H 9800 6500 60  0001 C CNN
	1    9800 6500
	-1   0    0    -1  
$EndComp
$Comp
L neo900:R0402 R?
U 1 1 58290E42
P 9250 6050
AR Path="/578AFF0C/58290E42" Ref="R?"  Part="1" 
AR Path="/578AFF02/58290E42" Ref="R905"  Part="1" 
F 0 "R905" H 9120 6110 50  0000 L BNN
F 1 "30R" H 9250 6050 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 9280 6200 20  0001 C CNN
F 3 "" H 9250 6050 60  0001 C CNN
	1    9250 6050
	0    -1   -1   0   
$EndComp
$Comp
L neo900:C0603 C906
U 1 1 5D5594F2
P 9250 6850
F 0 "C906" H 9290 6890 50  0000 L CNN
F 1 "22u" H 9300 6700 50  0000 L CNN
F 2 "NeoFeet:C_0805" H 9280 7000 20  0001 C CNN
F 3 "" H 9250 6850 60  0001 C CNN
	1    9250 6850
	1    0    0    -1  
$EndComp
Wire Wire Line
	9500 6500 9250 6500
Wire Wire Line
	9250 6250 9250 6500
Connection ~ 9250 6500
Wire Wire Line
	9250 6500 9250 6750
$EndSCHEMATC
